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Finding the Third Proportional to 787,720.50 and 1,899,135

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Solution

The third proportional to 787,720.50 and 1,899,135 is: 4,578,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,720.50 : 1,899,135 = 1,899,135 : x
  2. Step 2: Convert to fraction form
    787,720.50/1,899,135 = 1,899,135/x
  3. Step 3: Cross multiply
    787,720.50x = 1,899,135 × 1,899,135
  4. Step 4: Simplify right side
    787,720.50x = 3,606,713,748,225
  5. Step 5: Solve for x
    x = 3,606,713,748,225/787,720.50
  6. Step 6: Final answer
    x = 4,578,671.94

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.